diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 68a4dd9..4843c3d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,7 +21,7 @@ jobs:
 
     strategy:
       matrix:
-        os: ['ubuntu-22.04', 'ubuntu-24.04', 'macos-latest', 'macos-latest-large']
+        os: ['ubuntu-22.04', 'ubuntu-24.04', 'macos-latest']
         cc: ['gcc', 'clang']
 
     steps:
diff --git a/.github/workflows/kernel.yml b/.github/workflows/kernel.yml
index e996c51..8ebe774 100644
--- a/.github/workflows/kernel.yml
+++ b/.github/workflows/kernel.yml
@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        os: ['ubuntu-20.04', 'ubuntu-22.04']
+        os: ['ubuntu-22.04', 'ubuntu-24.04']
 
     steps:
     - name: Checkout repository
diff --git a/INSTALL.md b/INSTALL.md
index f484973..7555807 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -3,8 +3,8 @@ Installation instructions for libx52
 
 Build has been tested on the following operating systems (x86-64 only):
 
-* Ubuntu 20.04 LTS
 * Ubuntu 22.04 LTS
+* Ubuntu 24.04 LTS
 * macOS Big Sur 11
 * macOS Monterey 12